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Commit c569cac8 authored Oct 14, 2010 by Chris Metcalf

arch/tile: support new info op generated by compiler



This just syncs the backtracing support in the kernel to the
upstream backtrace library.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

parent 29507663

arch/tile/include/asm/backtrace.h

+4 −1

Original line number	Original line	Diff line number	Diff line
	@@ -146,7 +146,10 @@ enum {

	CALLER_SP_IN_R52_BASE = 4,		CALLER_SP_IN_R52_BASE = 4,

	CALLER_SP_OFFSET_BASE = 8		CALLER_SP_OFFSET_BASE = 8,

			/* Marks the entry point of certain functions. */
			ENTRY_POINT_INFO_OP = 16
	};		};

arch/tile/kernel/backtrace.c

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -369,6 +369,10 @@ static void find_caller_pc_and_caller_sp(CallerLocation *location,
	/* Weird; reserved value, ignore it. */		/* Weird; reserved value, ignore it. */
	continue;		continue;
	}		}
			if (info_operand & ENTRY_POINT_INFO_OP) {
			/* This info op is ignored by the backtracer. */
			continue;
			}

	/* Skip info ops which are not in the		/* Skip info ops which are not in the
	* "one_ago" mode we want right now.		* "one_ago" mode we want right now.